164028140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2897}}^1$

素因数の和:3074

約数の個数: 48

約数和(自身を含む): 365148000

約数和(自身を除く): 201119860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 745, 1490, 2831, 2897, 2980, 5662, 5794, 11324, 11588, 14155, 14485, 28310, 28970, 55043, 56620, 57940, 110086, 220172, 275215, 431653, 550430, 863306, 1100860, 1726612, 2158265, 4316530, 8201407, 8633060, 16402814, 32805628, 41007035, 82014070, 164028140]

約数ペア:

[(1, 164028140), (2, 82014070), (4, 41007035), (5, 32805628), (10, 16402814), (19, 8633060), (20, 8201407), (38, 4316530), (76, 2158265), (95, 1726612), (149, 1100860), (190, 863306), (298, 550430), (380, 431653), (596, 275215), (745, 220172), (1490, 110086), (2831, 57940), (2897, 56620), (2980, 55043), (5662, 28970), (5794, 28310), (11324, 14485), (11588, 14155)]